import { Base, Type } from "./type";
/**
 * @hidden
 */
export declare class EasingFunctions extends Base {
    static $t: Type;
    private static c;
    private static g;
    private static a;
    private static e;
    private static f;
    static cubicEase(a: number): number;
    static exponentialEase(a: number): number;
    static circleEase(a: number): number;
}